Post-incident activity

At the final stage, the incident response team should help the affected organization to understand why the threat actors managed to successfully breach it and achieve their goals, and what to do to avoid similar situations in the future.

Of course, the incident life cycle may be quite different; it depends on the ransomware affiliates. So, based on what you have observed, you may form a list of recommendations. Let's look at the most common examples.

As you already know, many ransomware attacks start from exposed RDP-servers, so if that's the case, a good recommendation would be to choose other methods of remote access, or, for example, implement multi-factor authentication for such RDP connections.

Talking about public-facing parts of affected infrastructure, the organization should make sure all vulnerabilities, especially those allowing the threat actors to obtain valid credentials or run code remotely, are patched.

If spear phishing...